Another Ford Diesel Question – strange vibrations at 1100-1300rpm

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  • Another Ford Diesel Question – strange vibrations at 1100-1300rpm
  • bigbloke
    Member

    if it is a 110bhp TDCI diesel (same as a pug HDi engine) 1.6 , it may well be the dual mass flywheel as this occurs quite often certainly on Peugeots. Also the DPF can fail on these. Maybe worth checking out?

    I only know this through Pug forums hence why i bought the 90bhp with no dual mass flywheel or dpf.

    Premier Icon oldagedpredator
    Subscriber

    That might be a good start – does feel unbalanced in the same way a washing maching shakes when the load is out of sorts.

    Premier Icon oldagedpredator
    Subscriber

    Got unusual vibrations coming from the car. Local garage is coming up blank but have recomended another more specialist one to try in Manchester.

    The problem – getting major vibrations through 1100 to 1300 rpm and it never quite feels right after that. Timing belt has just been done, all the diagnostics that the local garage have cant come up with a problem. Feels like a misfire causing unbalancing but nothing is showing as miss firing.

    Any thoughts?

    craigxxl
    Member

    If it’s the DMF you normally can hear the rattle at idle and the vibration whilst driving can be felt throughout the rev range but more so when changing gears or acceleration. Aux belt on the Mondeo can cause vibrations when the tension pulley fails but I assume you have a focus which has a different design. I would look at the engine mounts which are oil filled to dampen vibrations.

    Premier Icon oldagedpredator
    Subscriber

    Its just had the belt done – 8000 miles before it was due. Pully and engine mounts have been checked. There is an ocaisional noisy rattle at idle and some vibration through the range but really really noticable in the rev band I mentioned above. Not too familliar with dual mass flywheels but if they can cause and imbalance that could feel like the injection is not quite right then it could be that.

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